Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantas tentativas houve para o clube cwmtwrch rfc?
 ###Tabelas: CREATE TABLE energy_costs (energy_costs_id AUTO_INCREMENT PRIMARY KEY, 20 years VARCHAR, 2400 kWh/kW p y INT, 2200 kWh/kW p y INT, 2000 kWh/kW p y INT, 1800 kWh/kW p y INT, 1600 kWh/kW p y INT, 1400 kWh/kW p y INT, 1200 kWh/kW p y INT, 1000 kWh/kW p y INT, 800 kWh/kW p y INT) CREATE TABLE biggest_wins (biggest_wins_id AUTO_INCREMENT PRIMARY KEY, Margin INT, Score VARCHAR, Opponent VARCHAR, Venue VARCHAR, Date VARCHAR) CREATE TABLE league_table (league_table_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Played VARCHAR, Drawn VARCHAR, Lost VARCHAR, Points for VARCHAR, Points against VARCHAR, Tries for VARCHAR, Tries against VARCHAR, Try bonus VARCHAR) CREATE TABLE cfl_draft (cfl_draft_id AUTO_INCREMENT PRIMARY KEY, Pick # INT, CFL Team VARCHAR, Player VARCHAR, Position VARCHAR, College VARCHAR) CREATE TABLE 1908-1994_-_new_south_wales_rugby_league (1908-1994_-_new_south_wales_rugby_league_id AUTO_INCREMENT PRIMARY KEY, Season INT, Grand FinalDate VARCHAR, WinningTeam VARCHAR, Score VARCHAR, LosingTeam VARCHAR, Location VARCHAR, GF Attendance INT, Clive Churchill Medal VARCHAR)  
SELECT Tries against FROM league_table WHERE Club = cwmtwrch rfc